1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <sun_sas.h>
28 #include <signal.h>
29
30 /*
31 * Verify that a given adapter is present on the system.
32 * No checks will be performed on the targets, and it is assumed
33 * that an adapter can't change the number of ports it has.
34 */
35 HBA_STATUS
verifyAdapter(struct sun_sas_hba * hba_ptr)36 verifyAdapter(struct sun_sas_hba *hba_ptr) {
37 const char ROUTINE[] = "verifyAdapter";
38 char *charptr, path[MAXPATHLEN+1];
39 di_node_t node;
40 uint_t state;
41
42 /*
43 * valid test for a removed HBA.
44 */
45 if (hba_ptr == NULL) {
46 log(LOG_DEBUG, ROUTINE, "Null hba_ptr argument");
47 return (HBA_STATUS_ERROR);
48 }
49 (void) strlcpy(path, hba_ptr->device_path, sizeof (path));
50
51 charptr = strrchr(path, ':');
52 if (charptr) {
53 *charptr = '\0';
54 }
55
56 errno = 0;
57
58 node = di_init(path, DINFOCPYALL);
59 if (node == DI_NODE_NIL) {
60 log(LOG_DEBUG, ROUTINE,
61 "Unable to take devinfo snapshot on HBA \"%s\" due to %s",
62 path, strerror(errno));
63 return (HBA_STATUS_ERROR);
64 } else {
65 state = di_state(node);
66 if (((state & DI_DRIVER_DETACHED) == DI_DRIVER_DETACHED) ||
67 ((state & DI_BUS_DOWN) == DI_BUS_DOWN) ||
68 ((state & DI_BUS_QUIESCED) == DI_BUS_QUIESCED)) {
69 di_fini(node);
70 log(LOG_DEBUG, ROUTINE,
71 "devinfo node is not online state: %d", state);
72 return (HBA_STATUS_ERROR);
73 }
74 }
75
76 di_fini(node);
77
78 return (HBA_STATUS_OK);
79 }
80